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Message-ID: <63e000c7-deae-44df-8d82-a74ffe303e9a@linaro.org>
Date: Fri, 19 Jan 2024 07:15:33 +0000
From: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To: Johan Hovold <johan+linaro@...nel.org>, Mark Brown <broonie@...nel.org>
Cc: Banajit Goswami <bgoswami@...cinc.com>,
 Liam Girdwood <lgirdwood@...il.com>, Jaroslav Kysela <perex@...ex.cz>,
 Takashi Iwai <tiwai@...e.com>, alsa-devel@...a-project.org,
 linux-sound@...r.kernel.org, linux-kernel@...r.kernel.org,
 stable@...r.kernel.org
Subject: Re: [PATCH v3 2/5] ASoC: codecs: wsa883x: lower default PA gain



On 18/01/2024 16:58, Johan Hovold wrote:
> The default PA gain is set to a pretty high level of 15 dB. Initialise
> the register to the minimum -3 dB level instead.
> 
> This is specifically needed to allow machine drivers to use the lowest
> level as a volume limit.
> 
> Cc: stable@...r.kernel.org      # 6.5
> Signed-off-by: Johan Hovold <johan+linaro@...nel.org>
> ---
>   sound/soc/codecs/wsa883x.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/sound/soc/codecs/wsa883x.c b/sound/soc/codecs/wsa883x.c
> index 32983ca9afba..8942c88dee09 100644
> --- a/sound/soc/codecs/wsa883x.c
> +++ b/sound/soc/codecs/wsa883x.c
> @@ -722,7 +722,7 @@ static struct reg_default wsa883x_defaults[] = {
>   	{ WSA883X_WAVG_PER_6_7, 0x88 },
>   	{ WSA883X_WAVG_STA, 0x00 },
>   	{ WSA883X_DRE_CTL_0, 0x70 },
> -	{ WSA883X_DRE_CTL_1, 0x08 },

this is hw default value.

> +	{ WSA883X_DRE_CTL_1, 0x1e },
>   	{ WSA883X_DRE_IDLE_DET_CTL, 0x1F },
>   	{ WSA883X_CLSH_CTL_0, 0x37 },
>   	{ WSA883X_CLSH_CTL_1, 0x81 },

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